libreport version: 2.0.8
abrt_version:   2.0.7
cmdline:        BOOT_IMAGE=/boot/vmlinuz-3.1.6-1.fc16.x86_64 root=UUID=bcef286b-c3a7-4eda-ab13-a3f3cc86a366 ro rd.md=0 rd.lvm=0 rd.dm=0 KEYTABLE=us quiet SYSFONT=latarcyrheb-sun16 rhgb rd.luks=0 LANG=en_US.UTF-8
kernel:         3.1.6-1.fc16.x86_64
reason:         [192164.298016] WARNING: at /builddir/build/BUILD/kernel-3.1.fc16/compat-wireless-3.2-rc6-3/drivers/net/wireless/iwlwifi/iwl-core.c:1330 iwlagn_mac_remove_interface+0x98/0x120 [iwlwifi]()
time:           Fri 06 Jan 2012 04:23:38 PM EST

backtrace:
:[192164.298016] WARNING: at /builddir/build/BUILD/kernel-3.1.fc16/compat-wireless-3.2-rc6-3/drivers/net/wireless/iwlwifi/iwl-core.c:1330 iwlagn_mac_remove_interface+0x98/0x120 [iwlwifi]()
:[192164.298021] Hardware name: 3680B45
:[192164.298024] Modules linked in: binfmt_misc tcp_lp tun rfcomm bnep btusb bluetooth vfat fat ppdev parport_pc lp parport fuse lockd 8021q garp stp llc fcoe libfcoe libfc scsi_transport_fc scsi_tgt ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables nf_conntrack_ipv4 nf_defrag_ipv4 xt_state nf_conntrack snd_hda_codec_hdmi snd_hda_codec_conexant snd_hda_intel snd_hda_codec snd_hwdep snd_seq arc4 snd_seq_device snd_pcm iwlwifi mac80211 uvcvideo snd_timer videodev iTCO_wdt media v4l2_compat_ioctl32 microcode joydev intel_ips i2c_i801 iTCO_vendor_support snd_page_alloc e1000e cfg80211 thinkpad_acpi rfkill snd soundcore uinput sunrpc usb_storage wmi i915 drm_kms_helper drm i2c_algo_bit i2c_core video [last unloaded: scsi_wait_scan]
:[192164.298100] Pid: 10709, comm: kworker/0:0 Not tainted 3.1.6-1.fc16.x86_64 #1
:[192164.298104] Call Trace:
:[192164.298117]  [<ffffffff8106b73f>] warn_slowpath_common+0x7f/0xc0
:[192164.298123]  [<ffffffff8106b79a>] warn_slowpath_null+0x1a/0x20
:[192164.298137]  [<ffffffffa02a8058>] iwlagn_mac_remove_interface+0x98/0x120 [iwlwifi]
:[192164.298155]  [<ffffffffa0249ce4>] ieee80211_do_stop+0x4c4/0x530 [mac80211]
:[192164.298162]  [<ffffffff814e15e9>] ? dev_deactivate_many+0x219/0x250
:[192164.298178]  [<ffffffffa0249d6a>] ieee80211_stop+0x1a/0x20 [mac80211]
:[192164.298185]  [<ffffffff814c0136>] __dev_close_many+0x86/0xe0
:[192164.298190]  [<ffffffff814c0280>] dev_close_many+0x90/0x110
:[192164.298200]  [<ffffffffa017fd60>] ? rfkill_event+0xb0/0xb0 [rfkill]
:[192164.298206]  [<ffffffff814c164d>] dev_close+0x3d/0x50
:[192164.298218]  [<ffffffffa01a7571>] cfg80211_rfkill_set_block+0x71/0xa0 [cfg80211]
:[192164.298227]  [<ffffffffa017edd7>] rfkill_set_block+0x87/0x120 [rfkill]
:[192164.298235]  [<ffffffffa017f87d>] rfkill_epo+0x5d/0xb0 [rfkill]
:[192164.298242]  [<ffffffff813642e0>] ? poke_blanked_console+0xd0/0xd0
:[192164.298250]  [<ffffffffa017fe33>] rfkill_op_handler+0xd3/0x16c [rfkill]
:[192164.298257]  [<ffffffff810883dd>] process_one_work+0x11d/0x470
:[192164.298265]  [<ffffffff810897df>] worker_thread+0x15f/0x350
:[192164.298269]  [<ffffffff81089680>] ? manage_workers+0x230/0x230
:[192164.298275]  [<ffffffff8108de0c>] kthread+0x8c/0xa0
:[192164.298282]  [<ffffffff815dee34>] kernel_thread_helper+0x4/0x10
:[192164.298287]  [<ffffffff8108dd80>] ? kthread_worker_fn+0x190/0x190
:[192164.298293]  [<ffffffff815dee30>] ? gs_change+0x13/0x13

comment:
:I don't know how it happened, or how it can be reproduced; I'm just passing along the warning in case it's useful.
:
:However, wireless did become unusable after this.  (Network-manager panel dropdown menu has it set to "off" with no ability to turn it back on.)  Which is something I've seen happen intermittently before.

smolt_data:
:
:
:General
:=================================
:UUID: f98f7371-0cd8-4132-9d64-c5e287f46c87
:OS: Fedora release 16 (Verne)
:Default run level: Unknown
:Language: en_US.UTF-8
:Platform: x86_64
:BogoMIPS: 5054.61
:CPU Vendor: GenuineIntel
:CPU Model: Intel(R) Core(TM) i5 CPU       M 540  @ 2.53GHz
:CPU Stepping: 2
:CPU Family: 6
:CPU Model Num: 37
:Number of CPUs: 4
:CPU Speed: 2534
:System Memory: 3753
:System Swap: 4998
:Vendor: LENOVO
:System: 3680B45 ThinkPad X201
:Form factor: Notebook
:Kernel: 3.1.6-1.fc16.x86_64
:SELinux Enabled: 1
:SELinux Policy: targeted
:SELinux Enforce: Enforcing
:MythTV Remote: Unknown
:MythTV Role: Unknown
:MythTV Theme: Unknown
:MythTV Plugin: 
:MythTV Tuner: -1
:
:
:Devices
:=================================
:(32902:11362:6058:8598) pci, None, HOST/PCI, Core Processor QuickPath Architecture Generic Non-core Registers
:(32902:11521:6058:8598) pci, None, HOST/PCI, Core Processor QuickPath Architecture System Address Decoder
:(32902:68:6058:8595) pci, agpgart-intel, HOST/PCI, Core Processor DRAM Controller
:(32902:11536:6058:8598) pci, None, HOST/PCI, Core Processor QPI Link 0
:(32902:11537:6058:8598) pci, None, HOST/PCI, Core Processor QPI Physical 0
:(32902:11538:6058:8598) pci, None, HOST/PCI, Core Processor Reserved
:(32902:11539:6058:8598) pci, None, HOST/PCI, Core Processor Reserved
:(32902:15152:6058:8551) pci, i801_smbus, SERIAL, 5 Series/3400 Series Chipset SMBus Controller
:(32902:15151:6058:8552) pci, ahci, STORAGE, 5 Series/3400 Series Chipset 6 port SATA AHCI Controller
:(32902:15111:6058:8550) pci, None, PCI/ISA, Mobile 5 Series Chipset LPC Interface Controller
:(32902:15154:6058:8592) pci, intel ips, NONE, 5 Series/3400 Series Chipset Thermal Subsystem
:(32902:4330:6058:8531) pci, e1000e, ETHERNET, 82577LM Gigabit Network Connection
:(32902:9288:6058:8549) pci, None, PCI/PCI, 82801 Mobile PCI Bridge
:(32902:15164:6058:8547) pci, ehci_hcd, USB, 5 Series/3400 Series Chipset USB2 Enhanced Host Controller
:(32902:16952:32902:4369) pci, iwlwifi, NETWORK, Centrino Ultimate-N 6300 3x3 AGN
:(32902:15204:6058:8543) pci, None, SIMPLE, 5 Series/3400 Series Chipset HECI Controller
:(32902:70:6058:8538) pci, i915, VIDEO, Core Processor Integrated Graphics Controller
:(32902:15176:6058:8548) pci, pcieport, PCI/PCI, 5 Series/3400 Series Chipset PCI Express Root Port 4
:(32902:15170:6058:8548) pci, pcieport, PCI/PCI, 5 Series/3400 Series Chipset PCI Express Root Port 1
:(32902:15178:6058:8548) pci, pcieport, PCI/PCI, 5 Series/3400 Series Chipset PCI Express Root Port 5
:(32902:15190:6058:8542) pci, snd_hda_intel, MULTIMEDIA, 5 Series/3400 Series Chipset High Definition Audio
:(32902:15156:6058:8547) pci, ehci_hcd, USB, 5 Series/3400 Series Chipset USB2 Enhanced Host Controller
:
:
:Filesystem Information
:=================================
:device mtpt type bsize frsize blocks bfree bavail file ffree favail
:-------------------------------------------------------------------
:/dev/sda1 / ext4 4096 4096 20642476 12769223 12559587 5242880 4755743 4755743
: